21655998

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 120

約数和(自身を含む): 60583248

約数和(自身を除く): 38927250

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 113, 117, 126, 162, 169, 182, 189, 226, 234, 273, 338, 339, 351, 378, 507, 546, 567, 678, 702, 791, 819, 1014, 1017, 1053, 1134, 1183, 1469, 1521, 1582, 1638, 2034, 2106, 2366, 2373, 2457, 2938, 3042, 3051, 3549, 4407, 4563, 4746, 4914, 6102, 7098, 7119, 7371, 8814, 9126, 9153, 10283, 10647, 13221, 13689, 14238, 14742, 18306, 19097, 20566, 21294, 21357, 26442, 27378, 30849, 31941, 38194, 39663, 42714, 57291, 61698, 63882, 64071, 79326, 92547, 95823, 114582, 118989, 128142, 133679, 171873, 185094, 191646, 237978, 267358, 277641, 343746, 401037, 515619, 555282, 802074, 832923, 1031238, 1203111, 1546857, 1665846, 2406222, 3093714, 3609333, 7218666, 10827999, 21655998]

約数ペア:

[(1, 21655998), (2, 10827999), (3, 7218666), (6, 3609333), (7, 3093714), (9, 2406222), (13, 1665846), (14, 1546857), (18, 1203111), (21, 1031238), (26, 832923), (27, 802074), (39, 555282), (42, 515619), (54, 401037), (63, 343746), (78, 277641), (81, 267358), (91, 237978), (113, 191646), (117, 185094), (126, 171873), (162, 133679), (169, 128142), (182, 118989), (189, 114582), (226, 95823), (234, 92547), (273, 79326), (338, 64071), (339, 63882), (351, 61698), (378, 57291), (507, 42714), (546, 39663), (567, 38194), (678, 31941), (702, 30849), (791, 27378), (819, 26442), (1014, 21357), (1017, 21294), (1053, 20566), (1134, 19097), (1183, 18306), (1469, 14742), (1521, 14238), (1582, 13689), (1638, 13221), (2034, 10647), (2106, 10283), (2366, 9153), (2373, 9126), (2457, 8814), (2938, 7371), (3042, 7119), (3051, 7098), (3549, 6102), (4407, 4914), (4563, 4746)]